<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <meta http-equiv="X-UA-Compatible" content="ie=edge">
    <title>Document</title>
</head>
<body>
    <script>
        function factory(name,age){
            var o = {};
            o.name = name;
            o.age = age;
            return o;
        }
        var o1 = factory('Jack',18);
        var o2  = factory('Alice',19);
        console.log(o1);
        console.log(o2);
    </script>
</body>
</html>